Mass for Double Choir: V. Agnus Dei

Recording by Frank Martin.

Recording identifiers

ISRC
GBAJY9801705
CopyrightID (CopyrightChains transaction hash)
0xaef465fe6505d849fa86f06814896ae79b74d6ca33096351b3fc1ea042bbaeec
Copyright registration time
2026-08-01T01:12:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:32edf41c09d3078e41a7bab3b5903621bc75b1a1b4b6a926a371d2ae502982de

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.